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WorksheetsEcology II
Total questions: 34
Worksheet time: 11mins
About how many species have thus far been identified on Earth?
1 million
2 million
3 million
4 million
Which category includes the others?
species diversity
genetic diversity
ecosystem diversity
biodiversity
Species richness, is the same as
species diversity
genetic diversity
ecosystem diversity
species evenness
The peppered moth case study is a good example of
macroevolution
nanoevolution
keystone species
microevolution
Some flowers can only be pollinated by a specific animal. This is a great example of
convergent evolution
microevolution
coevolution
revolution#9
Which of the following is another good example of coevolution?
moose and oak trees
worms and fish
owls and mice
ferns and roses
The place where an organism lives is its
niche
zone
habitat
crib
An organism's full potential range of physical,
chemical, biological conditions and resources it
could use if there were no competition.
realized niche
fundamental niche
fulfilled niche
achieved niche
Broad niche, variety of food, tolerate wide conditions.
pacifists
specialists
generalists
optimists
An example of
a specialist
a generalist
Is more vulnerable to extinction.
specialist
generalist
In ecosystems with constant environments, it's better to be a
specialist
generalist
Geographic isolation precedes reproductive isolation.
microevolution
assimilation
sympatric speciation
allopatric speciation
All of the following are factors that affect the rate of evolution EXCEPT
genetic variation
generation time
size of population
size of the organism
Species that are intentionally, or accidentally introduced to an ecosystem that they historically did not evolve in are called
indicator species
keystone species
non-native species
native species
Birds, trout, lichens, and amphibians are good examples of
keystone species
non-native species
indicator species
invasive species
Zebra mussels, snakehead fish, cane toads, and water millfoil are examples of
native species
indicator species
keystone species
non-native species
The best example of a keystone species is
muskrat
racoon
opossum
beaver
No two species can occupy the same niche at the same time, indefinitely.
Law of Range of Tolerance
Theory of Island Biogeography
Competitive Exclusion Principle
Competition Hypothesis
The best example of resource partitioning is
bats in the belfry
warblers in spruce trees
sharks in the pond
the beaks of finches
When similar species in an area develop
slightly differing traits or characteristics
(including behavioral) that allow them to
use different resources.
character displacement
resource partitioning
macroevolution
convergent evolution
A symbiotic relationship that can be described as a +,+
parasitism
commensalism
mutualism
none of the above
Examples are ticks, lice, and mosquitos.
endoparasites
mesoparasites
ectoparasites
all of the above
Which of the following is an example of a mutualistic symbiotic relationship?
clown fish and sea anemone
lichens
Rhizobium bacteria in legumes plants
all are mutualistic
The symbiotic relationship called commensalism can best be represented as
+,+
+,-
-,-
+,0
Primary succession begins with
explorer species
investigator species
establishing species
pioneer species
Pioneer species are
ferns and grasses
lichens and mosses
herbs and ferns
shrubs
The place where secondary succession would happen would be
rock exposed by a retreating glacier
and abandoned farm
lava field produced by a volcano
a parking lot of a closed factory
Ecological succession ends in (in theory) a
climax community
penultimate community
apex community
top-tier community
Ecosystems experiencing intermediate levels
of disruptions are more diverse than those
with high or low disturbance levels. This is the
theory of island biogeography
2nd law of thermodynamics
law of range of tolerance
intermediate disturbance hypothesis
Ecosystems with high biodiversity are more ________, with regard to disturbances.
resilient
resistant
both answers 1 and 2
None of the above
The belief that a species has a right to exist, even if it brings no economic benefit to humans, means it has ________ value.
intermittent
intrinsic
instrumental
impartial
Which of the following is NOT a category of ecosystem services?
cultural
supporting
provisioning
regulating
moderating
According the the theory of island biogeography, if two islands are the same distance from the mainland, then the highest biodiversity will be found on
the smaller island
the larger island
the biodiversity will be the same
not enough information to tell
